If you’ve spent any time tweaking Firefox 3, you’ve probably seen the warning message telling you that you probably shouldn’t be changing any settings. Thankfully you can remove the checkbox and make the message go away… but what if you wanted it back?

如果您花了很多時間來調整Firefox 3，您可能已經看到警告消息，告訴您您可能不應該更改任何設置。 值得慶幸的是，您可以刪除該復選框并使該消息消失……但是，如果您希望將其退回怎么辦？

I know what you are thinking… why would you possibly want it back?

我知道您在想什么……您為什么可能要回去？

If you are customizing Firefox for somebody else and you turned the warning off… you might want to re-enable it after you are done to help prevent them from making changes.

如果您正在為其他用戶自定義Firefox，并且關閉了警告，則可能需要在操作完成后重新啟用它，以防止他人進行更改。

Re-Enable about:config Warning

重新啟用about：config警告

Type in about:config into the address bar, and then filter by the following:

在地址欄中鍵入about：config ，然后按以下內容進行過濾：

general.warnOnAboutConfig

general.warnOnAboutConfig

Just double-click on the item to change the value back to true, and the warning message will show up again.

只需雙擊該項目以將值更改回true，警告消息將再次出現。

翻譯自: https://www.howtogeek.com/howto/internet/firefox/how-to-re-enable-the-aboutconfig-warning-message-in-firefox-3/

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